/* =========================================================================
   RIPE++ project page — custom design
   Layered on top of bulma; these rules take precedence.
   ========================================================================= */

:root {
  --green:        #16a34a;
  --green-dark:   #0f7a37;
  --green-soft:   #bbf7d0;
  --green-tint:   #ecfdf3;
  --ink:          #10231a;   /* near-black with a green cast */
  --ink-2:        #33473d;
  --muted:        #5b6b63;
  --line:         #e2e8e4;
  --bg:           #ffffff;
  --bg-soft:      #f6f9f7;
  --card:         #ffffff;
  --red:          #e5484d;
  --shadow:       0 1px 2px rgba(16,35,26,.05), 0 8px 30px rgba(16,35,26,.08);
  --shadow-lg:    0 10px 40px rgba(16,35,26,.14);
  --radius:       18px;
  --maxw:         1040px;
  --sans:         'Google Sans', 'Noto Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:         'SFMono-Regular', ui-monospace, 'JetBrains Mono', Menlo, Consolas, monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ---- layout helpers ------------------------------------------------------ */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 76px 0; }
.section-pad.tight { padding: 52px 0; }
.bg-soft { background: var(--bg-soft); }

.eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green-dark);
  margin-bottom: 14px;
}
h2.sec-title {
  font-size: clamp(1.6rem, 3.4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -.015em;
  color: var(--ink);
  margin: 0 0 10px;
  line-height: 1.15;
}
.sec-lead {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 720px;
  margin: 0 0 34px;
}
.sec-title.center, .sec-lead.center { text-align: center; }
.sec-lead.center { margin-left: auto; margin-right: auto; }

/* =========================================================================
   HERO
   ========================================================================= */
.hero-ripe {
  position: relative;
  background:
    radial-gradient(1100px 520px at 78% -8%, rgba(22,163,74,.30), transparent 60%),
    radial-gradient(900px 480px at 8% 12%, rgba(34,197,94,.18), transparent 55%),
    linear-gradient(160deg, #08301c 0%, #0d3d26 46%, #0a2b1c 100%);
  color: #eafff2;
  overflow: hidden;
}
.hero-ripe::after {                 /* subtle grid texture */
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(70% 70% at 50% 30%, #000 40%, transparent 100%);
  pointer-events: none;
}
.hero-inner {
  position: relative; z-index: 1;
  max-width: 940px; margin: 0 auto;
  padding: 92px 24px 80px;
  text-align: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .82rem; font-weight: 600; letter-spacing: .02em;
  color: #d7ffe6;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.20);
  padding: 7px 15px; border-radius: 999px;
  margin-bottom: 26px; backdrop-filter: blur(4px);
}
.hero-title {
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(2.4rem, 6.2vw, 4.1rem);
  line-height: 1.02;
  letter-spacing: -.03em;
  margin: 0;
}
.hero-title .plus { color: var(--green-soft); }
.hero-sub {
  font-size: clamp(1.05rem, 2.3vw, 1.4rem);
  font-weight: 400;
  color: #b9e9cd;
  margin: 16px auto 0;
  max-width: 720px;
}
.hero-authors {
  margin: 34px auto 6px;
  font-size: 1.12rem;
  line-height: 2;
}
.hero-authors a { color: #eafff2; border-bottom: 1px solid rgba(255,255,255,.35); }
.hero-authors a:hover { color: #fff; border-color: #fff; }
.hero-authors sup { color: var(--green-soft); font-weight: 600; padding-left: 1px; }
.hero-aff {
  color: #9fd3b3; font-size: .95rem; margin-top: 8px;
}
.hero-aff span { white-space: nowrap; }

/* buttons */
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 34px; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 1rem; font-weight: 600;
  padding: 12px 22px; border-radius: 999px;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  border: 1px solid transparent;
}
.btn:hover { transform: translateY(-2px); }
.btn .icon { font-size: 1.05em; line-height: 1; }
.btn-dark  { background: #0a2114; color: #eafff2; border-color: rgba(255,255,255,.22); }
.btn-dark:hover { background: #06170e; color: #fff; box-shadow: var(--shadow-lg); }
.btn-primary { background: var(--green); color: #fff; box-shadow: 0 6px 20px rgba(22,163,74,.45); }
.btn-primary:hover { background: var(--green-dark); color: #fff; }
.btn-hf { background: #ffd21e; color: #4b3f00; }
.btn-hf:hover { background: #ffd83f; color: #4b3f00; box-shadow: 0 6px 20px rgba(255,210,30,.5); }
.btn.is-disabled { opacity: .6; cursor: default; }
.btn.is-disabled:hover { transform: none; box-shadow: none; }
.btn-tag { font-size: .68rem; font-weight: 700; letter-spacing: .04em;
  background: rgba(255,255,255,.18); padding: 2px 7px; border-radius: 6px; }

/* =========================================================================
   TEASER
   ========================================================================= */
.teaser-card {
  margin: -56px auto 0;
  position: relative; z-index: 3;
  max-width: 980px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 22px 22px 18px;
}
.teaser-card img { width: 100%; height: auto; display: block; border-radius: 10px; }
.figcap { color: var(--muted); font-size: .92rem; margin-top: 14px; text-align: center; }
.figcap b { color: var(--ink-2); font-weight: 600; }

/* =========================================================================
   TL;DR + STAT CARDS
   ========================================================================= */
.tldr {
  font-size: clamp(1.25rem, 2.8vw, 1.7rem);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--ink);
  max-width: 860px; margin: 0 auto 46px; text-align: center;
}
.tldr .hl { color: var(--green-dark); font-weight: 700; }
.stat-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease;
}
.stat:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.stat .num {
  font-size: 2.5rem; font-weight: 800; letter-spacing: -.02em;
  color: var(--green-dark); line-height: 1;
}
.stat .num small { font-size: 1.1rem; font-weight: 700; color: var(--muted); }
.stat .lbl { margin-top: 10px; font-weight: 700; color: var(--ink); }
.stat .desc { margin-top: 4px; color: var(--muted); font-size: .93rem; }

/* =========================================================================
   ABSTRACT
   ========================================================================= */
.abstract-body {
  max-width: 780px; margin: 0 auto;
  font-size: 1.08rem; color: var(--ink-2); text-align: justify;
}
.abstract-body p { margin: 0 0 14px; }

/* =========================================================================
   CONTRIBUTIONS
   ========================================================================= */
.contrib-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contrib {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 22px 22px;
  box-shadow: var(--shadow);
}
.contrib .n {
  flex: 0 0 auto;
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center;
  background: var(--green-tint); color: var(--green-dark);
  font-weight: 800; font-size: 1.05rem;
  border: 1px solid var(--green-soft);
}
.contrib p { margin: 0; color: var(--ink-2); font-size: .99rem; }
.contrib p strong { color: var(--ink); }

/* =========================================================================
   HOW IT WORKS — figure blocks
   ========================================================================= */
.method-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
  margin: 0 0 54px;
}
.method-block:last-child { margin-bottom: 0; }
.method-block.flip .m-text { order: 2; }
.method-block .m-fig {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow);
}
.method-block .m-fig img { width: 100%; height: auto; display: block; border-radius: 8px; }
.method-block h3 {
  font-size: 1.4rem; font-weight: 700; letter-spacing: -.01em;
  color: var(--ink); margin: 0 0 12px;
}
.method-block .step-tag {
  font-size: .74rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--green-dark); margin-bottom: 10px; display: block;
}
.method-block p { color: var(--ink-2); margin: 0 0 12px; }
.method-block p:last-child { margin-bottom: 0; }
.method-block .m-text ul { margin: 8px 0 0; padding-left: 18px; color: var(--ink-2); }
.method-block .m-text li { margin: 4px 0; }
.method-block .m-text b, .abstract-body b { color: var(--green-dark); }

/* =========================================================================
   RESULTS carousel
   ========================================================================= */
.results-carousel { overflow: hidden; }
.results-carousel .item { padding: 6px; }
.result-slide {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 16px; overflow: hidden;
}
.result-slide img { width: 100%; height: auto; display: block; border-radius: 10px; }
.result-slide .cap { text-align: center; color: var(--muted); font-size: .95rem; margin-top: 12px; }
.result-slide .cap b { color: var(--green-dark); }

/* bulma-carousel nav restyle */
.slider-navigation-previous, .slider-navigation-next {
  background: #fff !important; border: 1px solid var(--line) !important;
  box-shadow: var(--shadow) !important; color: var(--ink) !important;
}
.slider-pagination .slider-page { background: var(--line) !important; box-shadow: none !important; }
.slider-pagination .slider-page.is-active { background: var(--green) !important; }

/* medical highlight banner */
.medical-note {
  margin-top: 40px;
  display: flex; gap: 20px; align-items: center; flex-wrap: wrap;
  background: linear-gradient(120deg, var(--green-tint), #fff);
  border: 1px solid var(--green-soft);
  border-radius: var(--radius); padding: 26px 30px;
}
.medical-note .big { font-size: 2.6rem; font-weight: 800; color: var(--green-dark); line-height: 1; }
.medical-note .txt { flex: 1 1 320px; color: var(--ink-2); }
.medical-note .txt b { color: var(--ink); }

/* =========================================================================
   BIBTEX
   ========================================================================= */
.bibtex-wrap { position: relative; max-width: 860px; margin: 0 auto; }
.bibtex-wrap pre {
  background: #0c2016; color: #d7ffe6;
  border-radius: 14px; padding: 26px 24px;
  overflow-x: auto; font-family: var(--mono); font-size: .9rem; line-height: 1.6;
  box-shadow: var(--shadow);
}
.copy-btn {
  position: absolute; top: 14px; right: 14px;
  background: rgba(255,255,255,.12); color: #eafff2;
  border: 1px solid rgba(255,255,255,.25); border-radius: 8px;
  font-size: .8rem; font-weight: 600; padding: 6px 12px; cursor: pointer;
  transition: background .15s ease;
}
.copy-btn:hover { background: rgba(255,255,255,.22); }
.note-inline { color: var(--muted); font-size: .9rem; text-align: center; margin-top: 14px; }

/* =========================================================================
   FOOTER
   ========================================================================= */
.site-footer {
  background: #08301c; color: #b9e9cd;
  padding: 40px 24px; text-align: center; font-size: .92rem;
}
.site-footer a { color: #eafff2; border-bottom: 1px solid rgba(255,255,255,.3); }
.site-footer a:hover { color: #fff; }
.site-footer .row1 { margin-bottom: 8px; }

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 860px) {
  .stat-grid { grid-template-columns: 1fr; }
  .contrib-grid { grid-template-columns: 1fr; }
  .method-block { grid-template-columns: 1fr; gap: 22px; }
  .method-block.flip .m-text { order: 0; }
  .method-block .m-fig { order: -1; }
  .teaser-card { margin-top: -36px; }
  .section-pad { padding: 56px 0; }
}
@media (max-width: 520px) {
  .btn { width: 100%; justify-content: center; }
  .hero-inner { padding: 68px 20px 60px; }
}

/* =========================================================================
   OPTIONAL DARK MODE (light is baseline)
   ========================================================================= */
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8f3ec; --ink-2: #c4d6cb; --muted: #93a89b;
    --bg: #0b1611; --bg-soft: #0f1d16; --card: #12211a;
    --line: #22352b;
  }
  body { background: var(--bg); }
  .btn-dark { background: #12211a; }
  .contrib .n { background: #14301f; }
  .medical-note { background: linear-gradient(120deg, #123020, #12211a); }
}